Mitsubishi FX2N-10GM, Hardware / Programming Manual

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FX Series Positioning Controllers Program format 5
5-49
5.10.5 FNC05 (BRET): Bus return
Other instructions that cause a return to the bus
When either of the following instructions is used in the program, bus line return is automatically
performed even if the BRET instruction is not included in the program.
1) Positioning control instructions (cod instructions).
2) m code instructions in AFTER mode.
3) Application instructions such as FNC 03 (RET), FNC 04 (JMP), FNC 08 (RPT), FNC 09
(RPE), etc. that are not used with drive contacts.
4) When FNC 00 (CJ) or FNC 01 (CJN) instruction is executed.
FNC 05
BRET
Applicable models
Series name
16-bit operation
1 steps
Remarks
Applicable
devices
and basic
format
FX
2N
-10GM
FX
2N
-20GM
BUS
RETURN
Bus return
BRET
No applicable devices
FNC 05
BRET
When FNC 05 (BUS RETURN)instruction is executed, the
instructions after that are treated as those connected to the bus.
•
FNC 05
BRET
SET Y10
SET Y11
SET Y12
SET Y13
X10
X11
The coils Y10 and Y11 are driven via the contact X10. However, Y12
is driven without regard to the ON/OFF status of X10.
If the FNC 05 (BUS RETURN) instruction is not included in the
program, Y12 is also driven by X10.
Y13 is driven when X11 is ON.
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